Question

The rotating drum in a clothes-dryer has a radius of 0.37 m. If the acceleration at the rim of the drum is 29 m/s2, what is the tangential speed of the rim?

Answer 1

Explanation:

Given The rotating drum in a clothes-dryer has a radius of 0.37 m. If the acceleration at the rim of the drum is 29 m/s2, what is the tangential speed of the rim?

• We know that a = v^2 / R
• So V^2 = a R
• Or V = √a x R
• Or V = √29 m/s^2 x 0.37 m
• Or V = √10.73 m^2 / s^2
• So V = 3.27 m / s

So the tangential speed of the rim is 3.27 m / s

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